Deadpool vs. Hit-Girl

Mindy McCready has left her life behind. After leaving New York and Kick-Ass, she travels to the city of Vancouver to continue with her vigilantism under the radar.
Wade Wilson has been instructed to assassinate the bizarre crime-lord calling himself 'Hellgrammite'.
Hit-Girl's quest for justice in this new city leads her directly into the path of Hellgrammite.
What will two of the world's greatest assassins do when they come face to fa-
Screw this. This description is really stupid. Okay, how about we just narrow it down to this:
They are both complete and utter badasses. He's insane, and she's only 15. And also insane.
There, that wasn't so hard, was it?!